305428220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{3169}}^1$

素因数の和:3318

約数の個数: 48

約数和(自身を含む): 660374400

約数和(自身を除く): 354946180

約数列:

[1, 2, 4, 5, 10, 20, 61, 79, 122, 158, 244, 305, 316, 395, 610, 790, 1220, 1580, 3169, 4819, 6338, 9638, 12676, 15845, 19276, 24095, 31690, 48190, 63380, 96380, 193309, 250351, 386618, 500702, 773236, 966545, 1001404, 1251755, 1933090, 2503510, 3866180, 5007020, 15271411, 30542822, 61085644, 76357055, 152714110, 305428220]

約数ペア:

[(1, 305428220), (2, 152714110), (4, 76357055), (5, 61085644), (10, 30542822), (20, 15271411), (61, 5007020), (79, 3866180), (122, 2503510), (158, 1933090), (244, 1251755), (305, 1001404), (316, 966545), (395, 773236), (610, 500702), (790, 386618), (1220, 250351), (1580, 193309), (3169, 96380), (4819, 63380), (6338, 48190), (9638, 31690), (12676, 24095), (15845, 19276)]